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Finding the Fourth Proportional to 108,307.67, 162,450.77 and 33,407.51

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Solution

The fourth proportional to 108,307.67, 162,450.77 and 33,407.51 is: 50,107.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,307.67 : 162,450.77 = 33,407.51 : x
  2. Step 2: Convert to fraction form
    108,307.67/162,450.77 = 33,407.51/x
  3. Step 3: Cross multiply
    108,307.67x = 162,450.77 × 33,407.51
  4. Step 4: Simplify right side
    108,307.67x = 5,427,074,743.99
  5. Step 5: Solve for x
    x = 5,427,074,743.99/108,307.67
  6. Step 6: Final answer
    x = 50,107.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.